Re: Changing the way bash expands associative array subscripts

[Eli Schwartz]

On 4/6/21 1:42 PM, Greg Wooledge wrote:
> That said, the fact that you can put 'a[@]' in an indirect variable and
> get an array expansion out of "${!x}" is completely repulsive to me.  In
> the past, I have asked whether this is actually working as intended,
> and Chet's answer simply confused me, but near as I can tell, he seems
> to think it should continue doing this.  So I won't say anything more
> about it.


It bothers me too, but x=a; echo "${!x[@]}" gets you something else
entirely...

Reading the manpage with "it does do this" in mind, it seems to make
sense, because under Parameter Expansion it defines

    ${parameter}
        The value of parameter is substituted. [...] The parameter is a
        shell parameter as described above PARAMETERS) or an array
        reference (Arrays).

-- 
Eli Schwartz
Arch Linux Bug Wrangler and Trusted User

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